diff --git a/demo/vpc-example/pom.xml b/demo/vpc-example/pom.xml
index 356611e6b..f4f782f0c 100644
--- a/demo/vpc-example/pom.xml
+++ b/demo/vpc-example/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.2.13</version>
+            <version>1.3.15</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>